Interactive system for a closed cable network
Interactive video communications system
Interactive voice communication terminal with alpha and numeric
Interactive voice response system for banking by telephone
Interactive voting method
Intercom apparatus
Interface apparatus for communication terminal equipment units
Interface circuit for remote control of a PABX
Interface device for the intercommunication of a computer and a
Interface for a data telephone and data terminal in a digital te
Interface for a telecommunication system
Interface for simulating a telephone line connection between two
Interfacing data units to a telephone line
Intermixing data and voice on voice circuits
International authorization system
Internet audio channel selection system
Internet browsing using a uniform interface
Internet communication control apparatus and communication...
Internet directory system and method using telephone number...
Internet enabled appliance command structure